Security lock



April 22, 1930. c. G. l.. SJLANDER SECURITY Loox 11 Sheets-Sheet 1 I j nl C. 6.14. Sc/'c'J-'Zazwl Bg v WFM l-555,51

April 22, 1930. c. 5. SJLANDER SECIURITY LOCK Filed July 5, 192s 11 gras-sheet 7 2 Izzi/nio? CIGNA. .B

j hvj-fw April 22, 1930- l c. G. L.. sJLANDER I 1,755,339

I SECURITY LOCK Filed July 5, 1923 1l Sheets-Sheet 3 Invezoz April 22, 1930. c. G. 1 SJQLANDER SECURITY LOCK l1 Sheets-Sheet 4 Ilz-vena? Filed July 5, 1923 liiilliin April 22, 1930- l c. G. l.Y SJLANDER 1,755,339

SECURITY LQCK Fi'led July 5, 1923 11 Sheets-Sheet 5 :April 22, 1930. c. G. i.. SJLANIDER SECURITY LOCK Filed July 5, 1923 ll Sheets-Sheet 6 Izzi/@Infor C.G.L.

SJ'ZaQma/ez f April 22, 1930. c. G. L. SJLANDER 1,755,339

Y LOCK Filed July 5, 1923 11 Sheets-Sheet 7 L3. mi

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l WMI/lm v nnlmlmwnn, j @D April 22 1930- c. G. 1 SJLANDER 1,755,339 v l SECURITY LOCK A Filed July 5, 1923 11 Sheets-Sheet 8 E11/enfer Hizgls.

APY-il 22, 1930. c. G. l.; SJLANDER 1,755,339

SECURITY LOCK Filed July 5, 1923 11 Sheets-Sheet 9 wurm O l Vw-ys.

.April 22, 1930.

c. G/L. SJLANDER 1,755,339

SECURITY LOCK Filed July 5, 1925 1l Sheets-Sheet 10 inf Zi ,7? /7 ff April 2.2, 1930.

C. G. L. SJLANDER S ECURITY LOCK Filed July 5, 1923 j 11 snee15sheet 11 Egg,

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Patented Apr. 22, A1930 "CARLI ensuit. ,LEONARD s :rLilinnEis., or mi.'LsnoitceV sWEDEN Applieation magnify 5,1923; Asei-iai Nb.e49,7f5sf, and inl-'sweden April 24, i920. f

v Y `'This y invention ...relates to 'I seonrity locks; of which thehead meclianisin,placed on the .Y inside of the door,' is actuated by a spindle','

passing through andsecured inf thei'door One objectr of. Inyinvention isf tol Asinijglify the 'operations needed toppenA suehflocks,`

thereby Sing e @tersa-use insadpfaf del, and needing 1,10y hole through, they; door .structureV Y.

v Another object" invention; -vto crease the convenience and utility of said looksy sothat they maybe adapted .for general use,.where security is needed. Y

l In" general, I attain'f theseobjectsbyusing affkey receiveryseenred tothe oirbside"ofthe` door, and having a, .specialjInecl1`anis1n,.the v motionsof which are controlled by the key and transported tofthe innerslock mechanism bythe spindle. f i

such an arrangement Vofthe ,acting Avparts of the: key that said partsniay be adjustedY or y c1 ainbinedI in several; `Ways. andgthe ylook 2,5 tnmblersbe setv accordingto the key combinations, the' settingof new combinations to be' used as often as desirable being lnadejina most convenient manner v f after; the locl. jV has beennnlocked-Vby use 1 of the ornnerA com` n v bination.

Intlief accompanying drajvings is an elevational View of the `lookshoWn from the insideand Withthelocl; oase @over taken away. Fig. 2 a. plane view/.ofthe lojckr'withceiver, the lock sectionbeing taken on the linev fAsof Fig. 1., the receiver section on the ofi-"thereceiver `on the" line cf-c of'Fig. 6; Fig.l 9 and l'OyieWsLof the 1ocl's'een from the inside v with ythe tnnfbler rnechanis,In taken awaygfFigs. 11,'12and 13 inside" views ofi the tuinbler larranging fmeohanism' iny several y 5G halts `of its motions 14 a' section of Another feature` ofl rnyinvention. relates-to.

v the racks 8 (F ,5). The raclrsfa-re held in kspindle motion controlling catch; Figsllfld and 17Y 1show the key for which the above; mentionedfreceiver is designedjiFigs. ,'18'1f9 and 20 show another key ;.Fi'ggs..21, 22,23 and 241 show. a. receiver suitable for thek lastlinieny tionedj key; Figf22is av section on the linef Dro-Def F 2l and Fig. 24 'is aseetion on: the line E-E of Fig. 231;,Figsy25 to Oshovv.y

otherfforxns'of keys andlparts of receiver ,o Y i mechanisms suitable for Vsuch keys; Figs. 3160 120.41 show a lool; of simpler and cheaper `oonstruction than, the v lock-illustrated Ybythe abovermentioned iguresywhere': i i Y" y.-Fig. 31 is a' vertical'section 'through the'L lock,I the Adoor and thereceiver; Figj32fis"a 55 f vertieabsectionKA of' the keyr receiver shown .the outsideandtaken on the vline of Fig. 31. Fig. isa planlview'ofthekey;` l

Fig 34is a vertical section-of theloclron' the f 1 line 311.` Figs.- and"are-YQ respectively a ,planfview andsectionioffthe tuinblers andfa'planview and a' section off'a,

'tumbler guide.A Figs. 375 38.39.; ,40 ,and 41 lare sections of the jlock onthe line lHJ-H'of f tiois of the lock mechanism. y Y ,Y In the lock case a fname' 3 j( Figs. 1',` 2;'7'and;

Fig. 34', showing several positions in theme74 Y75 is located von projections, the lower part of the frame being providedwitli ,groovesjfjor proper position by plates 1 9 or the'y likefixed VYtothe frame byscrew-s,10.v The tillnblersflQ (Fig. 3) each of which as nsual'is' providedv Y with a gategl'in' the nntoothed lbart' ofthe edgevare rotatable ,on the shaft-14 in' afork:l '85 shaped lever l'gviswingable on' "a" shaft 17" in the frame 3. vBy,turning' ai 'shaft 18; jour;

nailed' in ,timeframe sand proviaeawith my 1 Y excentrically projesting-.pin'I 18EL gearing 'into Y ai groove 16a" inon'ele'g' 161 ofthe forkl the 90 tnmblers may be moved'` upwards "andl dovvnf Wards andthns' be brought 'into' "orj ontv of ien; gagementy with vrthe"y racks 8". VThe' tumblers yare seperated frmn eachotherv by' means'of Y i Washerslj", Fig; 41, eachl provided lWith arnose 15a engaging e longitudinal groovein the shaft leini order to keep thewashers inj'their Y positions, thus preventing :thetnrnblers' vfrom distnrbinguone' another' in their vproper fino tions.` A cross barswingable on ashafi in the frame 3 is arranged to engage the gates 13, thesebeing adjusted in alignment underthe cross bar.

In this case the key receiver consistsV of a member 26, Figs. 6 to 8, in which a cylinder 28is arranged to turn and slide on a rod 29, the cylinderfor this purpose being provided with a'nuinbe'r of ring-shaped'bevelled'projections all alike, so that the cylinder may act as a toothed rack in any angular posi-` tion. The cylinder 28 may be moved axially in both directions by means of a hand knob 32, fastened to the spindle 33 passing through the door and joinedto av toothed segment engaging the cylinder. The left end ofthe cylinder is on its circumference provided with teeth 30 (Figs.v 6, 8) the num- Y Yfora half step;

ber of which equals the number Vof the tumblers and of the Astops in the key.V When thel cylinder is moved in one direction one toothV 30 passes a'tooth 35 and when the cylinder is moved in the opposite direction the first mentioned tooth 30 passes a tooth 36, the teeth 35 and 36 being suitably fastened to the mem Y ber 26 and bevelled so that they push the tooth y30V away and each turns the cylinder rThe right end of the cylin der 28 is provided with wings 31 (Figs. 6, 7)v arranged to cooperate with the stops in the key to limit therotary movement of the spindle. `'lherebythe degree of rotation of the spindle, 33 isV laltered according to the depth ofthe'stops inthe key. Y Y

According to this embodimentthe key may be arranged for instance as shown in Figs. l5 Vto 17. The key consists oflamellae, lshown Separately in Fig. 15, which are Vfastened in a holder V'l' by means of aspring-actuated catch. Each lamellae is provided with a step or stop 3,4. Figs. 16 and V17 show the com-V pounded key seen from two sides. The Figs.

6 and 7 show how the key is placed intothev receiver. The steps or stops 34 inthe key are arranged alongor ina part of a circle, As the number of stops in thekey and teeth 30 on the cylinder 28 is twelve, in the case illus-V trated the space of the circle occupied by each single stop in the key is a 36th of the whole circle. As the rotatory stop of the cylinder' between two consecutiveV stoppings against the key is one 12th of the circle, and the'space V*occupied by three consecutive stops inthe key also is one 12th ofthecircle, one wing 31 will during one whole revolution of the cylinder 28 stop against the 1st, 4th, 7th and 10th stop in-the key, another wing against the 2nd, 5th, 8th and llthstop and the third wing against the 3rd, 6th, 9th and 12th stop. For this purpose the wings 31 have to be ar-V ranged in suitable angles in relation to each other. In this case it is obvious thatthe number ofV wings 31V has to. be three, as each one of them stops four times againstthe key, and the number of key stops is twelve.

From the above explanations it will be understood that between the arrangement of the stops in the vkey and the number of wings on the cylinder there is in general suchV a relation that the size of that part of the circle, along which the stops inthe key arearranged,

equals the whole circle'divided by the number of wings on the cylinder.' f

In theV lock case 1 is mechanismV of the same kindv as that mounted in theV receiver. V'hus'acylinder 37 (Figs provided a moving 11 to 1 3) identical with the cylinder 28 and provided with bevelled teeth 40 is turnable Vand slidable on a shaft v38 in' the lock case. The cylinder receivesits reciprocal motion by means of `a toothed segment 44 on the spindle 33, the teeth 40'o`n the cylinder and noses on plates 41 and Y42, and the different parts are so arranged that the cylinder 37 and the cylinder'28 are moved synchronically. During the reciprocating motion of the cylinder37 the toothed racks 8 are moved bythe wings 39jon vthe cylinder abutting against noses 11r of Vracks8 and arranged in correspondence with the key stops. When the spindle'is oscillated Vfor as Vlong strokes as they keystopsv will permit, the wings 39 on the cylinder 37 abutagainstthenosesll and move the racks 8, the tumblers being thereby adjusted each in its' turn `so that the cross bar 22'may fall into the gates 13, where by the lock bolt is freed. It may be understood that the spacing of the teeth Yof thetumblers and the`V toothed racks must be such in relationto the thickness of the key-lamelles orto the distance between two adjacent lstops 34 taken in the transverse direction ofthe key, thatthe slid- Y ing of the cylinder 28 for such a distance may Vcause the turning of a tumbler corresponding exactly to "one or-several'whole teeth. 'i l The inward and outward movement'of Vthe lock bar 24a is caused by thefollowing mechanism. f

Asshown in Figs. 1, 7, 9 and 10 toothed wheels 45, 46 and 4'? gearing into each other are journalled next to that wall of the lock case Vwhich is placed againstY the door, Vthe wheel 45 being fastened to the spindle 33, Vand the wheels 46 and 47 respectively being turnable on shafts 48 and 49 respectively. i As. usual in security locks'a bolt fence .24 balanced by a weight 24b is used for the inward' and outward movem'entjof` the lock bolt 24a. Said fence is supported by an arbor 50 concentric to the toothed Wheel 47 and fastened to the same, so that the arbor is Ymovable with a :certain friction in the boss ofV the fence; The fence is provided with a cam groove 23 (Figs. 9, 10V) 'into which the inner' end of the cross bar 22 gears-in order .to keep the fence in the position shown in Figs. 1 'and :2when the cross bar by means of the tumblersis held in raised position. 'An'arm 51 on the boss of prwdadfwinh ai. dev @that prevenslany knob iS oscllatediim full. lewis.

' alsgmwes inf-tb-atxespe. A Y y. osnstane be. ,arramgedm the; fizlilnmng@ imam@ the-'fmt etw@ @yh h l-lisarlfanged.

.Ch extends'.

and-'inthe same, 91.21.11@ @S t imm thftumblelfs int@ 't-.helnih-tial posit? lfheasnftelathe keylsinsrted agailland the hef the direction of the arrow inrllgllcQgnesu.

Snapfagainst a.,

hmmm@ in the app-@Site direction identical with those'of the receiver described Y above. Y j Y Y In the Figs; `25,27 and 29'are shown keys 1 that ifjone supposes thatthe compounded key were divided into as many sectors as the number of lamellae in thekeyonev stop will corre spend to each sector'(Fig. 19). The larnellaev the cylinder 71 is smallV enough to move free-V ly past the steps .34 in the key andis provided'v with a projection 74 arranged to come into contactjwith each of the stops 34. The other features ofV the receiver are approximately formed inr other ways and in the Figs. 26,28

andf()l the, cylinder 71 arranged in corres spondence'with each of said keys.V The Fior.

25 shows `three lamelles of a 'key' by whidl1 Veach lamella is" provided Vwith holes arranged around a circle for the small end 76 ofthe cylinder 71.V vThe number of the holes is one less than' the numberjof lamellae-but the spacl' Y ings between the holes are counted according vto thefwhole number of lamelles. In 'each lamella is one spacing 72 left free .of hole,-

this free spacing VVbeing at different places in all lamellae. Thus, between two holes in each n lamella thereV is `an unbroken 'surface which in the respectV of situation and function corresponds to the step 84 in the keys described above. Thesmall end 76 of the cylinder` 71 is intended to come into contact with each of said unbroken surfaces in the compounded key in a way corresponding to that in which the projection 711 of the cylinder 71comes into contact with the stop 34. y Y Y The key according to the Fig. 27 consists oi a disc'pr'ovided with holes 7 7 arranged on a circle, there being one hole Vfor each: tumbier. Said holes are countersunk to different depths, 'so that the small end78 Vof the cylinder being conical and corresponding with the holes will penetrate to different depths in the key and the cylinder thereby be moved axially for ditlerent lengt-hs between each step oif'rotation `in the same manner as by using the keys described above.

' The key shown in Fig. 29 difers from the key shown in Figs. v18 to 2O only in that respect that itis made inV one piece and formed to a cylinder which is'coaxial to the opening.`

The proj ection'7 l of the cylinder 71 here cooperates with the steps or stops 79 corre-V sponding to the stops 34 of the'k'ey mentioned before." rlhe two keys ,lastly described not having adjustable stops'must be Nsub'stituted if the lock`-is to beset forfa new combination.

' The lock shown in VFigsilto L11 is of a the stops are Vmade in onepiece.

simpler constructionshowing how the'lock ment described above it has the advantage ot being able to Vbe-m'anufactured for tively low price. y 1 i.

As Vmay be seen in they: figures the :spindle 81 passing through thedoorf structure 8211s rotatable and movable inwards: 'and'outwards for aY determined distance.V 85 indicates the wings `on the spindle cooperatingiwith the a compara- Astops-of the key 86; InFigs-.BI and 32 said' key is shown inserted in the f receiverr here consisting of a sleeve'87, in'the wail of whichA is made atransverse opening for the key.V The form of said'key may be seen inFig. 33.

The stops of thekey andthe Wings onthc Y spindle are arrangedon the, same principle as'by the embodiment shownv in Figs- 1- to 17 with thatdilierence in respect of the key that The spindle 81 is here :intended stituted for the'cylinders 28Y and37: or corresponding members, and for that reason it is to'besub- Y Y turned stepwiseat the same time las itis moved inwards-and outwards by means ot the knob 83.l 'In order to cause; the"turning` movement of the spindlethe lockfcaseis prol' vided" 'with the followingdev'ice` Gn the" inner end ofthe spindle is fasten'edra 'disc 885` provided with a number of holes 89ar-ranged at the same distance from .eaehfotlier and; from the centre.- Further two pins 1117 and` 118 are fastened in the lock case,oneion each side of the disc and arranged Vto centre each of the holes 89. Asthe' spindle is pushedv inwardsthe pin 118 centerslone hole 89,.the pin beingiso located `th'atth'e'disc and-'the spindle respectivelyare turnedjusttor a half step'.`

whereby the spindle gets thenecessary guiding. :When the spindle is pulled backwards the pin 117 centres one Vhole 89at the same momentas the disc leaves fthe pin '118,fandA the pin 117 Visso located as to therebyv vturn thedisc and the spindle'for'remain'ing VhalfV step. V"lhus, the spindle will be turned-one wholevstep during each'com-plete reciprocating movement inwardsand outwards.

YHereafter the idisc slides ron""the pin' 118, I

The sliding tumblers 91 (Fig. 85) .are herel v arranged tol be actuated. directly by the spindle. VThey are-so locatedbetweenguide in the wall of whichA are located the tumblers `is provided with a gate 120 in the partv 107 ADuring its reciprocating movements 'is in such relation to the gate 119 in the corbolt is constructed in the following manner.

A. toothed segment` turna-ble in the lock I case on a pin 96 gears into a toothed wheel 99, which is turnable on astationary pin 100 and joined to an arbor`101.V Gnsaid arbory is a .friction arbor 102 from which extends the bolt fence 103 which in ,known manner movesl the lock bolt 104 forwards andbacki j j v v l. y y

Y Vhen the toothedsegment 95 iis moved back- \;v'ards.both levers arebrought with it where-N wards. Said fence 'as usual gears into a gate 105 in the lock bolt. The arbor 102 isffurther provided with a longitudinal cam 106,4

and one partv 107 of the toothed 4segment 95,lk said part 107 being situated yover the teeth w of the segment 95. The toothedsegment 95 arranged to correspond to the gates 119 in the tumblers.

segment 95 being'provided with a slotted bolt 98, which is turnable in the arm and em-y j braces the disc 88 whereby the segmentre-v ceives an oscillating movement, when 'the spindle is reciprocated.v 1

The mode of operation of the mechanism is described below.and is shown in Figs. 38

kI claim as new and to 41. In order to unlock, the spindle 81 is moved in and out by the aid of the knob 83 (Fig. 31) after the insertion 'of the key, until the lock bolt is'withdrawn. Y h

spindle will move one tumble-r more and another tumbler less corresponding to the f depth'of thejkey stop in question. Each stop.

responding tumbler that said tumbler is moved just as much as is needed for the gate to'come opposite the cam 106. When all the tumblers are adjusted in this manner and the gate 120 in the oscillating segment 95neXt time comes opposite the cam the way is free for said cam, and the friction arbor 102 is thereby turned by the arborv101 moving at this time in the direction of the arrow in Fig'.

29, so that the'camV 106 engages the gate 120, whereby t-hel lock bolt is moved backwards Fig. 39) The cam hereby brings the tumblers with it. When the spindlefnext time bolt is blocked .bythe spindle being movedV is moved inwards the lock bolt is again moved into locking position and the tumblers are moved back bythe cam 106 into disengaging position. l/Vhen the key'is taken out 'the lock inwards once again, thereby moving to the bottom 'and bringing one of the tumblers into the way of the cam106, see Fig. 40.

The deviceitor moving back the tumblers is swingable on a pin `108and provided'with a vprojection V1107on the boss acting as a sup- 'ing hold' thepostions shown in, Figs. 37 and spectively (Fig. 34), so that they when rest- The mechanism is coupled to the spindle by means ofanerm A97 of the l how .the lock ymaybe altered in differentways within the scope of the invention. Y AItis there# kPatent is:

the spindle is mevedinwards yas farfas possible. Hereby `anose 1.21. on ythearm 97 'of the' toothed-segment shoves .away the yleverv 113 and inally passes said leverll (Fig.40).

39.,..theerear end of ,the lever llthereby v' by the-'lever 109, thewidth of. the free end of Y 'twof outermost tumblers, moves the tumblers which corresponds to the distance between the l into theirstarting position (Fig.v 41). W henl the 'toothed segmen: 95 next time lis brought iYbaclnvards :the nose 1.21releases. the lever 113v and the'position of the parts is again that shownin Fig. 87. Y. Y a

`AThe.embodiments described. above show fore a matter'of coursethat such -mo diications also v,fall within thescope of the invention. f

Havingy now described my invention, what 1., In` combination@ operable by a key and including'a Vspindle, .adapted to Ibe located Yin a door structure, a keyreceiverlocated on the 'outside of .the door, said Vreceiver -having a Vcylinder movable thereima wing onse-id Y. cylinder adapted tostop` :againstthe steps of y a key, teethy on said cylindenfixed members adapted to co-operate with said teeth to rotate the cylinder step by step and guide it during axial movement7 means connecting the spindle desire to secure by Letters and cylinder for moving the latter aXia-lljga lock mechanism located on' the inside of thel door structure andincluding a toothed cylinder operable by said spindle, win gs on thesec ond cylinder, racks operable byk thev second cylinder, and toothed Ytumblers co-operating with said racks, said tumblers being brought into their unlocking position during oscillation of the spindle, the irst mentioned cylinder being adapted to be-stopped against the steps of a key.

2. In a lock, a spindle adapted to be located in a door structure, toothed. tumblers, racks co-operating with said toothed tumblers, a

moving the. trame with the tumblers from and new combination is set.

in a door structure, a movable frame, tumblers frame supporting the tumblers, means for y located in said movable frame, a lock bolt, a Y Y fence for moving the lock bolt, a movable "cross bar adapted to enter the tumbler gates aaaegperate with. the fence whereby te @91.1.-

towards the racks whereby the racks may be..}20

, free from the tumblers while the racks are be`-` ing set for new combinations and the tumblers ma aOain enO-ae tie racks after the Vconsists of a lever 109 (Figs. 37 to-41) which y t b t l 60 lever whereby to force the tumblers back tov my name.

trol the motions of the'fence, saidbar being A adapted to be stopped when the tumblers are disengaged from the racks whereby tofprevent the fence from moving while the racks are set for new combinations. i

4. In a lock, a spindle, tumblers, two

toothed cylinders, one cylinder adapted to act Y on the lock 'key and the other on the tumblers, means for rotating the cylinders stepV byv step, seid cylinders being movable axially the spindle, a toothed wheel actuated by the spindle, a friction-actuated catch, co-'operating with the teeth of said wheel to control the motions of the spindle and to maintain synchronism of rotation of the two cylinders by compelling the operator to make full oscillating strokes with the spindle.

5. In alock, a spindle, a wheel'operable by the spindle, a slide located in said wheel, fixed pins, a lever, tumblers, said slide being put j` Yinto working positions by said pins and' adapted when the key is withdrawn and the spindle oscillated, to catch and swing said their starting point in the unlocking position.

6. In a lock, a spindle adapted to be located Y in the door structure a lockimechanism located at the inside of the door, a key receiver 'Y located at the outside of the door, means for cooperation of the lock mechanismV with a key for unlocking the lock when the key has been inserted in the key receiver, said means being operable by said spindle, and means for setting the lock mechanism for new combinations whereby to render it operable by Vnew keys. Y

VIn witness whereof, I have hereunto signed CARL GUSTAF LEONARD SJLANDER. i 

